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Ek coupe, Built d16, 445whp/330tq, gt35r, Neptune

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Ek coupe, Built d16, 445whp/330tq, gt35r, Neptune

Postby boosted hybrid » August 11th, 2006, 11:25 pm

Car: Ek coupe

Engine: Sleeved/built ERL block, 9:1 Cp pistons, crower billet rods, oem headgasket, headgames head, ferrea valvetrain, zex cam, Endyn custom sheet metal IM, 70mm tb

Mods: EL t3 manifold, gt35r .63a/r, 3" dp, 3" exhaust, precision medium ic, custom 2.5" charge pipes, tial 50mm bov, tial 44mm wg, RC 1000cc injectors, walbro 255lph HP pump, 3bar map sensor, Blitz SBC id boost controller, neptune

Tuning at 15psi on 93 octane and 27psi on c16:

Image

Waveness in the high boost plot is due to the boost controller fluctuating in boost. Set-up is capable of some more power, but boost was not staying consistent during tuning. The set-up did made 515whp at 32psi, but boost erratic.
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Postby boostest2005 » August 14th, 2006, 3:09 pm

nice numbers for a d series :twisted:
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Postby crazy4hp » August 16th, 2006, 5:20 pm

that one sick setup.
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Postby Kelly » August 17th, 2006, 11:34 am

great numbers.

any chance you wanna post up the total timing?
also, it looks like the gt35 is spooling 27psi by ~6300rpm, is that right?

i made 441hp/333tq on a 57 trim @ 28 psi, on 100 octane, so i am very interested in seeing this car run,

is this a street car, or a purpose built street class race car?
either way, great job
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Postby alexsracing » August 17th, 2006, 3:53 pm

I would like to know the total timing and if the base timing was left at 16
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Postby alpha » August 17th, 2006, 6:35 pm

I highly doubt Jeff will post the timing as the customer paid for it :D

Great job as usual Jeff. Odd you had that issue with the SBC i-D. I have used it a couple times with no problems. Were you in automatic or manual mode?
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Postby boosted hybrid » August 20th, 2006, 8:12 am

I dont/wont post any details of the ignition maps. It would not be of any help since each set-up is different, and therefore timing values will vary greatly.

Car is a street car, but will be taken to drag as well.

I have not had any issues with the blitz controllers until now. It was in manual mode, auto mode kills boost response badly.
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Postby SilverBullet21 » August 29th, 2006, 11:45 am

Kelly wrote:great numbers.

any chance you wanna post up the total timing?
also, it looks like the gt35 is spooling 27psi by ~6300rpm, is that right?

i made 441hp/333tq on a 57 trim @ 28 psi, on 100 octane, so i am very interested in seeing this car run,

is this a street car, or a purpose built street class race car?
either way, great job




So comparing the GT35R to the T3/T4OE 57 Trim, both made the same power at about the same boost level. Shouldnt the GT35R be making more power than a 57 trim? What is your setup with that 57 trim?
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Postby LUCKY13 » August 29th, 2006, 4:49 pm

This sounds like the gt35r works very good in the high boost range, it gained alot fom 27 to 32psi. And if it was steady I would guess it would do better.



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Postby boosted hybrid » January 26th, 2007, 12:08 am

Retuned the car with a gt30r:

Image

The engine made more power at the same boost level, with much faster spool and response. Solid lines are race gas tune at 28psi, and dotted lines are pump gas tune at 15-16psi.
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Postby slojdmdc2 » January 26th, 2007, 9:46 am

How come it made more power with the GT30R instead of the 35R. Is it because it's a more suitable application for the motor size?
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Postby boosted hybrid » January 27th, 2007, 9:30 am

slojdmdc2 wrote:How come it made more power with the GT30R instead of the 35R. Is it because it's a more suitable application for the motor size?


Yes. I ran into a similar situation when tuning the PINKS civic for full race. We tried using a 60-1, and it flat out wouldnt make good power. We keep the same .63a/r t3 housing, and swapped in a 57 trim t3/t4oe center section and made something in the neighborhood of 60-75whp more at the same boost level. The 60-1 compressor was operating in surge at high boost levels, which is exactly what the 35r wheel was doing on this car. I have tuned another d-series with a 35r at high boost, and you could hear the compressor surging around 24-25psi.
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Postby RTW DC2 » January 28th, 2007, 1:02 pm

thats insane. makes me wanna build my beater hatch now haha
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Postby ladysman » February 4th, 2007, 11:51 am

boosted hybrid wrote:
slojdmdc2 wrote:How come it made more power with the GT30R instead of the 35R. Is it because it's a more suitable application for the motor size?


Yes. I ran into a similar situation when tuning the PINKS civic for full race. We tried using a 60-1, and it flat out wouldnt make good power. We keep the same .63a/r t3 housing, and swapped in a 57 trim t3/t4oe center section and made something in the neighborhood of 60-75whp more at the same boost level. The 60-1 compressor was operating in surge at high boost levels, which is exactly what the 35r wheel was doing on this car. I have tuned another d-series with a 35r at high boost, and you could hear the compressor surging around 24-25psi.


Jeff,
Which 30R is this? 76?
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Postby boosted hybrid » February 5th, 2007, 1:22 am

The gt3037r, or the gt3076r...same difference.
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Postby ladysman » February 5th, 2007, 8:30 pm

boosted hybrid wrote:The gt3037r, or the gt3076r...same difference.


As you may remember mine has the SC61 which I have had for years. I would love to do a GT30R but honestly, I don't want to put anymore money in this car. :cry:

I am hoping to come see you though for tuning. :)
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